IDT71321 Ver la hoja de datos (PDF) - Integrated Device Technology
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IDT71321 Datasheet PDF : 13 Pages
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IDT71321SA/LA AND IDT71421SA/LA
HIGH-SPEED 2K x 8 DUAL-PORT STATIC RAM WITH INTERRUPTS
PIN CONFIGURATIONS (1,2)
NDEX
A1L
A 2L
A 3L
A 4L
A 5L
A 6L
A 7L
A 8L
A 9L
I/O 0L
I/O 1L
I/O 2L
I/O 3L
87
6
5
4
3
2
52 51 50 49 48 47
1
46
9
45
10
44
11
43
12
42
13
IDT71321/421
41
J52-1
14
PLCC
40
15
TOP VIEW (3)
39
16
38
17
37
18
36
19
35
20
34
21 22 23 24 25 26 27 28 29 30 31 32 33
OER
A 0R
A 1R
A 2R
A 3R
A 4R
A 5R
A 6R
A 7R
A 8R
A 9R
NC
I/O7R
2691 drw 02
INDEX
OEL
1
A0L
2
A1L
3
A2L
4
A3L
5
A4L
6
A5L
7
A6L
8
N/C
9
A7L 10
A8L 11
A9L 12
N/C 13
I/O 0L 14
I/O 1L 15
I/O 2L 16
COMMERCIAL TEMPERATURE RANGE
IDT71321/421
PN64-1 / PP64-1
64-PIN TQFP
64-PIN STQFP
TOP VIEW (3)
48 OE R
47 A 0R
46 A 1R
45 A 2R
44 A 3R
43 A 4R
42 A 5R
41 A 6R
40 N/C
39 A 7R
38 A 8R
37 A 9R
36 N/C
35 N/C
34 I/O7R
33 I/O6R
2691 drw 03
NOTES:
1. All Vcc pins must be connected to the power supply.
2. All GND pins must be connected to the ground supply.
3. This text does not indicate orientation of the actual part-marking.
ABSOLUTE MAXIMUM RATINGS(1)
Symbol
Rating
Commercial
Unit
VTERM(2) Terminal Voltage
–0.5 to +7.0
V
with Respect to
GND
TA
Operating
Temperature
0 to +70
°C
TBIAS
Temperature
Under Bias
–55 to +125
°C
TSTG
Storage
Temperature
–55 to +125
°C
IOUT
DC Output
Current
50
mA
NOTES:
2691 tbl 01
1. Stresses greater than those listed under ABSOLUTE MAXIMUM
RATINGS may cause permanent damage to the device. This is a
stress rating only and functional operation of the device at these or
any other conditions above those indicated in the operational sections
of the specification is not implied. Exposure to absolute maximum
rating conditions for extended periods may affect reliability.
2. VTERM must not exceed Vcc + 0.5 for more than 25% of the cycle time
or 10ns maximum, and is limited to < 20mA for the period of VTERM >
Vcc + 0.5V.
RECOMMENDED OPERATING
TEMPERATURE AND SUPPLY VOLTAGE
Grade
Commercial
Ambient
Temperature
0°C to +70°C
GND
0V
VCC
5.0V ± 10%
2691 tbl 02
RECOMMENDED
DC OPERATING CONDITIONS
Symbol
VCC
GND
VIH
VIL
Parameter
Supply Voltage
Supply Voltage
Input High Voltage
Input Low Voltage
Min. Typ.
4.5 5.0
0
0
2.2 —
–0.5(1) —
Max.
5.5
0
6.0(2)
0.8
Unit
V
V
V
V
NOTES:
1. VIL (min.) = -1.5V for pulse width less than 10ns.
2. VTERM must not exceed Vcc + 0.5V.
2691 tbl 03
CAPACITANCE(1,3)
(TA = +25°C, f = 1.0MHz) TQFP ONLY
Symbol
Parameter
Conditions(2) Max. Unit
CIN
Input Capacitance
VIN = 3dV
9 pF
COUT
Output Capacitance
VIN = 3dV
10 pF
NOTES:
2691 tbl 04
1. This parameter is determined by device characterization but is not
production tested.
2. 3dv references the interpolated capacitance when the input and output
signals switch from 0V to 3V or from 3V to 0V.
3. 11pF max. for other packages.
6.03
2
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